/****************************************************************************
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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**
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**
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** modification, are permitted provided that the following conditions are
** met:
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**     notice, this list of conditions and the following disclaimer.
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**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
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****************************************************************************/


#ifndef QSCRIPTCONTEXT_H
#define QSCRIPTCONTEXT_H

#include <qobjectdefs.h>

#include "qscriptvalue.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Script)

class QScriptEngine;
class QScriptContextPrivate;

class Q_SCRIPT_EXPORT QScriptContext
{
public:
    enum ExecutionState {
        NormalState,
        ExceptionState
    };

    enum Error {
        UnknownError,
        ReferenceError,
        SyntaxError,
        TypeError,
        RangeError,
        URIError
    };

    ~QScriptContext();

    QScriptContext *parentContext() const;
    QScriptEngine *engine() const;

    ExecutionState state() const;
    QScriptValue callee() const;

    int argumentCount() const;
    QScriptValue argument(int index) const;
    QScriptValue argumentsObject() const;

    QScriptValueList scopeChain() const;
    void pushScope(const QScriptValue &object);
    QScriptValue popScope();

    QScriptValue returnValue() const;
    void setReturnValue(const QScriptValue &result);

    QScriptValue activationObject() const;
    void setActivationObject(const QScriptValue &activation);

    QScriptValue thisObject() const;
    void setThisObject(const QScriptValue &thisObject);

    bool isCalledAsConstructor() const;

    QScriptValue throwValue(const QScriptValue &value);
    QScriptValue throwError(Error error, const QString &text);
    QScriptValue throwError(const QString &text);

    QStringList backtrace() const;

    QString toString() const;

private:
    QScriptContext();

    QScriptContextPrivate *d_ptr;

    Q_DECLARE_PRIVATE(QScriptContext)
    Q_DISABLE_COPY(QScriptContext)
};

QT_END_NAMESPACE

QT_END_HEADER

#endif
